"Jidan No. 7" was developed by Hefei Fengle Seed Industry Co., Ltd.
Characteristics Characteristic Plant type Semi-compact, plant height 260 cm, ear height 105 cm, ear tube type, ear length 19-23 cm, ear rows 16-18 rows, 100 grain weight 32-38 grams, yellow grain Red axis, half horse tooth shape, good solidity, no baldness, live stalks mature, good quality, more resistant to corn borer. The Huanghuaihai summer sowing period is 102 days, the spring sowing period is 124 days, and the spring sowing period in the northeast region is 129 days. Generally 600 kg per mu, high yield up to 800 kg. The high yield in the northeast region can reach more than 13,500 kilograms per hectare. In 2001, the national corn group ranked first in the regional trials and production trials.
Production Performance In 2001, it participated in the National Donghua North District test and production test, ranking first, with an average yield of 736.6 kg per mu.
The suitable cultivation density is 3000~3500 plants/mu, and the suitable density in the northeast area is 42000~45000 plants/ha. Summer sowing is from May 25 to June 10. Suitable for wide and narrow row planting, wide line 2.5 feet, narrow line 1.5 feet, about 1 foot of plant spacing. The basal fertilizer is applied to organic fertilizer. Topdressing 30~40 kg/mu urea is applied in batches of 7~8 leaves and big bell-mouth period in batches. Note the combination of ammonia, phosphorus and potash. Under conditions of high temperature and high humidity, 7 to 8 leaves, pay attention to the use of Triadimefon for the control of brown spot.
Appropriate areas are suitable for the planting of middle-to-upper fertility areas in the Huanghuai Haixia Maize area and Liaoning, Jilin, Inner Mongolia, northern Hebei, Beijing and Shanxi Nongda 108 varieties in the mature spring maize area.
Characteristics Characteristic Plant type Semi-compact, plant height 260 cm, ear height 105 cm, ear tube type, ear length 19-23 cm, ear rows 16-18 rows, 100 grain weight 32-38 grams, yellow grain Red axis, half horse tooth shape, good solidity, no baldness, live stalks mature, good quality, more resistant to corn borer. The Huanghuaihai summer sowing period is 102 days, the spring sowing period is 124 days, and the spring sowing period in the northeast region is 129 days. Generally 600 kg per mu, high yield up to 800 kg. The high yield in the northeast region can reach more than 13,500 kilograms per hectare. In 2001, the national corn group ranked first in the regional trials and production trials.
Production Performance In 2001, it participated in the National Donghua North District test and production test, ranking first, with an average yield of 736.6 kg per mu.
The suitable cultivation density is 3000~3500 plants/mu, and the suitable density in the northeast area is 42000~45000 plants/ha. Summer sowing is from May 25 to June 10. Suitable for wide and narrow row planting, wide line 2.5 feet, narrow line 1.5 feet, about 1 foot of plant spacing. The basal fertilizer is applied to organic fertilizer. Topdressing 30~40 kg/mu urea is applied in batches of 7~8 leaves and big bell-mouth period in batches. Note the combination of ammonia, phosphorus and potash. Under conditions of high temperature and high humidity, 7 to 8 leaves, pay attention to the use of Triadimefon for the control of brown spot.
Appropriate areas are suitable for the planting of middle-to-upper fertility areas in the Huanghuai Haixia Maize area and Liaoning, Jilin, Inner Mongolia, northern Hebei, Beijing and Shanxi Nongda 108 varieties in the mature spring maize area.
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